1. | They are found in aquatic habitats and on decaying wood in moist and damp places or as obligate parasites on plants. |
2. | The mycelium is septate and coenocytic. |
3. | Asexual reproduction takes place by zoospores (motile) or by aplanospores (non-motile). |
4. | A zygospore is formed by fusion of two gametes. |
1. | Rhizopus | 2. | Aspergillus |
3. | Neurospora | 4. | Claviceps |
Assertion (A): | Dueteromycetes are known as imperfect fungi. |
Reason (R): | Only their asexual and vegetative phases are known. |
1. | Both (A) and (R) are True and (R) explains (A) |
2. | Both (A) and (R) are True and (R) does not explain (A) |
3. | (A) is True but (R) is False |
4. | (A) is False but (R) is True |
1. | a fungus that lives on dead or decaying organic matter. |
2. | a fungus that parasitizes on an animal body. |
3. | is a symbiotic association between a fungus and a plant. |
4. | is a symbiotic association between a fungus and a cyanobacterium |
1. | They are most abundant bacteria in nature. |
2. | The majority are important decomposers. |
3. | None of them is capable of fixing atmospheric nitrogen. |
4. | Some are pathogens causing damage to human beings, crops, farm animals and pets. |
1. | Bacillus | 2. | Coccus |
3. | Spirillum | 4. | Vibrios |